./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:26:29,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:26:29,276 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:26:29,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:26:29,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:26:29,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:26:29,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:26:29,310 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:26:29,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:26:29,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:26:29,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:26:29,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:26:29,312 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:26:29,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:26:29,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:26:29,313 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:26:29,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:26:29,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:26:29,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:26:29,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:26:29,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:26:29,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:26:29,319 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:26:29,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:26:29,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:26:29,320 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:26:29,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:26:29,320 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:26:29,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:26:29,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:26:29,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:26:29,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:26:29,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:26:29,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:26:29,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:26:29,324 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:26:29,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:26:29,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:26:29,325 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:26:29,325 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:26:29,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:26:29,326 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 [2024-10-24 15:26:29,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:26:29,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:26:29,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:26:29,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:26:29,549 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:26:29,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-10-24 15:26:30,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:26:31,092 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:26:31,093 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-10-24 15:26:31,108 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36b1232d/c118b885ca5541518c518e157e2fbb15/FLAG8d5bd1f00 [2024-10-24 15:26:31,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36b1232d/c118b885ca5541518c518e157e2fbb15 [2024-10-24 15:26:31,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:26:31,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:26:31,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:26:31,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:26:31,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:26:31,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f5826a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31, skipping insertion in model container [2024-10-24 15:26:31,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:26:31,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:26:31,448 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:26:31,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:26:31,552 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:26:31,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31 WrapperNode [2024-10-24 15:26:31,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:26:31,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:26:31,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:26:31,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:26:31,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,609 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 178 [2024-10-24 15:26:31,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:26:31,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:26:31,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:26:31,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:26:31,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:26:31,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:26:31,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:26:31,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:26:31,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (1/1) ... [2024-10-24 15:26:31,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:26:31,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:26:31,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:26:31,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:26:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:26:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-10-24 15:26:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-10-24 15:26:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:26:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 15:26:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:26:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:26:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 15:26:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:26:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:26:31,716 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:26:31,820 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:26:31,822 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:26:32,098 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:26:32,098 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:26:32,122 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:26:32,122 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-24 15:26:32,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:26:32 BoogieIcfgContainer [2024-10-24 15:26:32,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:26:32,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:26:32,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:26:32,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:26:32,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:26:31" (1/3) ... [2024-10-24 15:26:32,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d267c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:26:32, skipping insertion in model container [2024-10-24 15:26:32,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:31" (2/3) ... [2024-10-24 15:26:32,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d267c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:26:32, skipping insertion in model container [2024-10-24 15:26:32,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:26:32" (3/3) ... [2024-10-24 15:26:32,130 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-10-24 15:26:32,143 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:26:32,143 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-24 15:26:32,143 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:26:32,225 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 15:26:32,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 201 places, 209 transitions, 422 flow [2024-10-24 15:26:32,339 INFO L124 PetriNetUnfolderBase]: 12/208 cut-off events. [2024-10-24 15:26:32,340 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:26:32,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 208 events. 12/208 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 409 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 164. Up to 2 conditions per place. [2024-10-24 15:26:32,347 INFO L82 GeneralOperation]: Start removeDead. Operand has 201 places, 209 transitions, 422 flow [2024-10-24 15:26:32,356 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 200 places, 208 transitions, 419 flow [2024-10-24 15:26:32,365 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:26:32,371 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35f03d5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:26:32,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-10-24 15:26:32,385 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:26:32,385 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2024-10-24 15:26:32,385 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:26:32,387 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:32,388 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:32,388 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:32,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:32,392 INFO L85 PathProgramCache]: Analyzing trace with hash -70160838, now seen corresponding path program 1 times [2024-10-24 15:26:32,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:32,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889487171] [2024-10-24 15:26:32,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:32,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:32,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:32,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889487171] [2024-10-24 15:26:32,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889487171] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:32,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:32,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:26:32,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538669503] [2024-10-24 15:26:32,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:32,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:26:32,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:33,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:26:33,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:26:33,240 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 209 [2024-10-24 15:26:33,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 208 transitions, 419 flow. Second operand has 6 states, 6 states have (on average 147.33333333333334) internal successors, (884), 6 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:33,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:33,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 209 [2024-10-24 15:26:33,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:33,666 INFO L124 PetriNetUnfolderBase]: 479/2039 cut-off events. [2024-10-24 15:26:33,666 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:26:33,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2925 conditions, 2039 events. 479/2039 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 14607 event pairs, 378 based on Foata normal form. 151/1993 useless extension candidates. Maximal degree in co-relation 2866. Up to 877 conditions per place. [2024-10-24 15:26:33,683 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 47 selfloop transitions, 5 changer transitions 0/193 dead transitions. [2024-10-24 15:26:33,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 193 transitions, 493 flow [2024-10-24 15:26:33,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:26:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:26:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 937 transitions. [2024-10-24 15:26:33,700 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7472089314194578 [2024-10-24 15:26:33,702 INFO L175 Difference]: Start difference. First operand has 200 places, 208 transitions, 419 flow. Second operand 6 states and 937 transitions. [2024-10-24 15:26:33,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 193 transitions, 493 flow [2024-10-24 15:26:33,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 193 transitions, 492 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:26:33,711 INFO L231 Difference]: Finished difference. Result has 196 places, 193 transitions, 398 flow [2024-10-24 15:26:33,712 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=398, PETRI_PLACES=196, PETRI_TRANSITIONS=193} [2024-10-24 15:26:33,715 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, -4 predicate places. [2024-10-24 15:26:33,715 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 193 transitions, 398 flow [2024-10-24 15:26:33,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.33333333333334) internal successors, (884), 6 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:33,716 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:33,716 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:33,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:26:33,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:33,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:33,717 INFO L85 PathProgramCache]: Analyzing trace with hash 736634007, now seen corresponding path program 1 times [2024-10-24 15:26:33,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:33,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625192783] [2024-10-24 15:26:33,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:33,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:34,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:34,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:34,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625192783] [2024-10-24 15:26:34,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625192783] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:34,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:34,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:26:34,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74144412] [2024-10-24 15:26:34,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:34,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:26:34,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:34,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:26:34,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:26:34,329 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 209 [2024-10-24 15:26:34,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 193 transitions, 398 flow. Second operand has 6 states, 6 states have (on average 149.16666666666666) internal successors, (895), 6 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:34,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:34,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 209 [2024-10-24 15:26:34,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:34,668 INFO L124 PetriNetUnfolderBase]: 592/2764 cut-off events. [2024-10-24 15:26:34,668 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:26:34,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3879 conditions, 2764 events. 592/2764 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 21828 event pairs, 70 based on Foata normal form. 0/2532 useless extension candidates. Maximal degree in co-relation 3835. Up to 653 conditions per place. [2024-10-24 15:26:34,681 INFO L140 encePairwiseOnDemand]: 173/209 looper letters, 76 selfloop transitions, 43 changer transitions 0/260 dead transitions. [2024-10-24 15:26:34,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 260 transitions, 770 flow [2024-10-24 15:26:34,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:26:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:26:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1006 transitions. [2024-10-24 15:26:34,684 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8022328548644339 [2024-10-24 15:26:34,684 INFO L175 Difference]: Start difference. First operand has 196 places, 193 transitions, 398 flow. Second operand 6 states and 1006 transitions. [2024-10-24 15:26:34,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 260 transitions, 770 flow [2024-10-24 15:26:34,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 260 transitions, 760 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:26:34,692 INFO L231 Difference]: Finished difference. Result has 201 places, 236 transitions, 718 flow [2024-10-24 15:26:34,692 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=718, PETRI_PLACES=201, PETRI_TRANSITIONS=236} [2024-10-24 15:26:34,693 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 1 predicate places. [2024-10-24 15:26:34,693 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 236 transitions, 718 flow [2024-10-24 15:26:34,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.16666666666666) internal successors, (895), 6 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:34,694 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:34,694 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:34,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:26:34,695 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:34,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:34,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1489049592, now seen corresponding path program 1 times [2024-10-24 15:26:34,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:34,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872791847] [2024-10-24 15:26:34,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:34,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:34,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:34,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872791847] [2024-10-24 15:26:34,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872791847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:34,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:34,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:26:34,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058431574] [2024-10-24 15:26:34,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:34,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:26:34,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:34,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:26:34,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:26:35,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 209 [2024-10-24 15:26:35,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 236 transitions, 718 flow. Second operand has 6 states, 6 states have (on average 167.16666666666666) internal successors, (1003), 6 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:35,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:35,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 209 [2024-10-24 15:26:35,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:35,628 INFO L124 PetriNetUnfolderBase]: 620/3630 cut-off events. [2024-10-24 15:26:35,628 INFO L125 PetriNetUnfolderBase]: For 676/756 co-relation queries the response was YES. [2024-10-24 15:26:35,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6107 conditions, 3630 events. 620/3630 cut-off events. For 676/756 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 29776 event pairs, 75 based on Foata normal form. 12/3432 useless extension candidates. Maximal degree in co-relation 6050. Up to 758 conditions per place. [2024-10-24 15:26:35,643 INFO L140 encePairwiseOnDemand]: 191/209 looper letters, 66 selfloop transitions, 36 changer transitions 0/287 dead transitions. [2024-10-24 15:26:35,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 287 transitions, 1066 flow [2024-10-24 15:26:35,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:26:35,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:26:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1069 transitions. [2024-10-24 15:26:35,646 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8524720893141946 [2024-10-24 15:26:35,646 INFO L175 Difference]: Start difference. First operand has 201 places, 236 transitions, 718 flow. Second operand 6 states and 1069 transitions. [2024-10-24 15:26:35,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 287 transitions, 1066 flow [2024-10-24 15:26:35,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 287 transitions, 1066 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:26:35,654 INFO L231 Difference]: Finished difference. Result has 211 places, 271 transitions, 1018 flow [2024-10-24 15:26:35,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1018, PETRI_PLACES=211, PETRI_TRANSITIONS=271} [2024-10-24 15:26:35,654 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 11 predicate places. [2024-10-24 15:26:35,654 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 271 transitions, 1018 flow [2024-10-24 15:26:35,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.16666666666666) internal successors, (1003), 6 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:35,655 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:35,655 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:35,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:26:35,655 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:35,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:35,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1342110901, now seen corresponding path program 1 times [2024-10-24 15:26:35,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:35,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628381918] [2024-10-24 15:26:35,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:35,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:35,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:35,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:35,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628381918] [2024-10-24 15:26:35,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628381918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:35,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:35,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:26:35,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731816417] [2024-10-24 15:26:35,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:35,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:26:35,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:35,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:26:35,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:26:36,041 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 209 [2024-10-24 15:26:36,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 271 transitions, 1018 flow. Second operand has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:36,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:36,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 209 [2024-10-24 15:26:36,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:37,028 INFO L124 PetriNetUnfolderBase]: 2543/8449 cut-off events. [2024-10-24 15:26:37,028 INFO L125 PetriNetUnfolderBase]: For 4965/5276 co-relation queries the response was YES. [2024-10-24 15:26:37,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19213 conditions, 8449 events. 2543/8449 cut-off events. For 4965/5276 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 71927 event pairs, 840 based on Foata normal form. 117/8103 useless extension candidates. Maximal degree in co-relation 19151. Up to 4332 conditions per place. [2024-10-24 15:26:37,068 INFO L140 encePairwiseOnDemand]: 178/209 looper letters, 129 selfloop transitions, 153 changer transitions 0/427 dead transitions. [2024-10-24 15:26:37,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 427 transitions, 2278 flow [2024-10-24 15:26:37,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:26:37,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:26:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1039 transitions. [2024-10-24 15:26:37,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.828548644338118 [2024-10-24 15:26:37,071 INFO L175 Difference]: Start difference. First operand has 211 places, 271 transitions, 1018 flow. Second operand 6 states and 1039 transitions. [2024-10-24 15:26:37,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 427 transitions, 2278 flow [2024-10-24 15:26:37,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 427 transitions, 2278 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:26:37,092 INFO L231 Difference]: Finished difference. Result has 221 places, 414 transitions, 2408 flow [2024-10-24 15:26:37,092 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=1018, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2408, PETRI_PLACES=221, PETRI_TRANSITIONS=414} [2024-10-24 15:26:37,093 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 21 predicate places. [2024-10-24 15:26:37,093 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 414 transitions, 2408 flow [2024-10-24 15:26:37,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:37,093 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:37,094 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:37,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:26:37,094 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:37,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:37,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1913560309, now seen corresponding path program 1 times [2024-10-24 15:26:37,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:37,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691332395] [2024-10-24 15:26:37,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:37,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:37,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:37,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691332395] [2024-10-24 15:26:37,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691332395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:37,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:37,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:26:37,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91286517] [2024-10-24 15:26:37,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:37,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:26:37,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:37,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:26:37,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:26:38,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:26:38,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 414 transitions, 2408 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:38,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:38,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:26:38,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:38,833 INFO L124 PetriNetUnfolderBase]: 1532/6775 cut-off events. [2024-10-24 15:26:38,833 INFO L125 PetriNetUnfolderBase]: For 6212/7269 co-relation queries the response was YES. [2024-10-24 15:26:38,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15961 conditions, 6775 events. 1532/6775 cut-off events. For 6212/7269 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 62153 event pairs, 63 based on Foata normal form. 59/6504 useless extension candidates. Maximal degree in co-relation 15896. Up to 1360 conditions per place. [2024-10-24 15:26:38,869 INFO L140 encePairwiseOnDemand]: 197/209 looper letters, 40 selfloop transitions, 16 changer transitions 0/449 dead transitions. [2024-10-24 15:26:38,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 449 transitions, 2632 flow [2024-10-24 15:26:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:26:38,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:26:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1496 transitions. [2024-10-24 15:26:38,872 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8947368421052632 [2024-10-24 15:26:38,872 INFO L175 Difference]: Start difference. First operand has 221 places, 414 transitions, 2408 flow. Second operand 8 states and 1496 transitions. [2024-10-24 15:26:38,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 449 transitions, 2632 flow [2024-10-24 15:26:38,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 449 transitions, 2494 flow, removed 69 selfloop flow, removed 0 redundant places. [2024-10-24 15:26:38,899 INFO L231 Difference]: Finished difference. Result has 231 places, 423 transitions, 2350 flow [2024-10-24 15:26:38,900 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2276, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2350, PETRI_PLACES=231, PETRI_TRANSITIONS=423} [2024-10-24 15:26:38,901 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 31 predicate places. [2024-10-24 15:26:38,901 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 423 transitions, 2350 flow [2024-10-24 15:26:38,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:38,902 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:38,902 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:38,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:26:38,902 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:38,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:38,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1524466853, now seen corresponding path program 2 times [2024-10-24 15:26:38,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:38,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183361920] [2024-10-24 15:26:38,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:38,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:39,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:39,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:39,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183361920] [2024-10-24 15:26:39,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183361920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:39,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:39,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:26:39,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057799474] [2024-10-24 15:26:39,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:39,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:26:39,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:39,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:26:39,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:26:39,877 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:26:39,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 423 transitions, 2350 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:39,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:39,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:26:39,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:40,790 INFO L124 PetriNetUnfolderBase]: 2147/8829 cut-off events. [2024-10-24 15:26:40,790 INFO L125 PetriNetUnfolderBase]: For 8322/9709 co-relation queries the response was YES. [2024-10-24 15:26:40,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21908 conditions, 8829 events. 2147/8829 cut-off events. For 8322/9709 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 83350 event pairs, 74 based on Foata normal form. 105/8518 useless extension candidates. Maximal degree in co-relation 21838. Up to 1752 conditions per place. [2024-10-24 15:26:40,844 INFO L140 encePairwiseOnDemand]: 197/209 looper letters, 49 selfloop transitions, 20 changer transitions 0/462 dead transitions. [2024-10-24 15:26:40,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 462 transitions, 2664 flow [2024-10-24 15:26:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:26:40,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:26:40,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1496 transitions. [2024-10-24 15:26:40,847 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8947368421052632 [2024-10-24 15:26:40,847 INFO L175 Difference]: Start difference. First operand has 231 places, 423 transitions, 2350 flow. Second operand 8 states and 1496 transitions. [2024-10-24 15:26:40,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 462 transitions, 2664 flow [2024-10-24 15:26:41,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 462 transitions, 2633 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 15:26:41,011 INFO L231 Difference]: Finished difference. Result has 238 places, 433 transitions, 2452 flow [2024-10-24 15:26:41,012 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2341, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2452, PETRI_PLACES=238, PETRI_TRANSITIONS=433} [2024-10-24 15:26:41,012 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 38 predicate places. [2024-10-24 15:26:41,012 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 433 transitions, 2452 flow [2024-10-24 15:26:41,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:41,013 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:41,014 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:41,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:26:41,014 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:41,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:41,014 INFO L85 PathProgramCache]: Analyzing trace with hash 2064841145, now seen corresponding path program 3 times [2024-10-24 15:26:41,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:41,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758643163] [2024-10-24 15:26:41,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:41,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:41,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:41,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758643163] [2024-10-24 15:26:41,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758643163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:41,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:41,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:26:41,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427486452] [2024-10-24 15:26:41,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:41,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:26:41,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:41,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:26:41,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:26:42,049 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:26:42,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 433 transitions, 2452 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:42,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:42,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:26:42,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:43,678 INFO L124 PetriNetUnfolderBase]: 2870/11873 cut-off events. [2024-10-24 15:26:43,678 INFO L125 PetriNetUnfolderBase]: For 13201/15033 co-relation queries the response was YES. [2024-10-24 15:26:43,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30692 conditions, 11873 events. 2870/11873 cut-off events. For 13201/15033 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 120262 event pairs, 112 based on Foata normal form. 184/11515 useless extension candidates. Maximal degree in co-relation 30619. Up to 2506 conditions per place. [2024-10-24 15:26:43,885 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 65 selfloop transitions, 23 changer transitions 0/481 dead transitions. [2024-10-24 15:26:43,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 481 transitions, 2934 flow [2024-10-24 15:26:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:26:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:26:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1501 transitions. [2024-10-24 15:26:43,888 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8977272727272727 [2024-10-24 15:26:43,888 INFO L175 Difference]: Start difference. First operand has 238 places, 433 transitions, 2452 flow. Second operand 8 states and 1501 transitions. [2024-10-24 15:26:43,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 481 transitions, 2934 flow [2024-10-24 15:26:43,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 481 transitions, 2889 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-10-24 15:26:43,932 INFO L231 Difference]: Finished difference. Result has 246 places, 447 transitions, 2619 flow [2024-10-24 15:26:43,932 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2435, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2619, PETRI_PLACES=246, PETRI_TRANSITIONS=447} [2024-10-24 15:26:43,933 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 46 predicate places. [2024-10-24 15:26:43,933 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 447 transitions, 2619 flow [2024-10-24 15:26:43,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:43,934 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:43,934 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:43,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:26:43,935 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:43,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:43,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1841241191, now seen corresponding path program 4 times [2024-10-24 15:26:43,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:43,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096881216] [2024-10-24 15:26:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:43,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:44,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:44,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096881216] [2024-10-24 15:26:44,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096881216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:44,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:44,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:26:44,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842433312] [2024-10-24 15:26:44,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:44,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:26:44,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:44,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:26:44,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:26:44,759 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:26:44,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 447 transitions, 2619 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:44,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:44,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:26:44,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:46,609 INFO L124 PetriNetUnfolderBase]: 3565/14527 cut-off events. [2024-10-24 15:26:46,610 INFO L125 PetriNetUnfolderBase]: For 19022/21252 co-relation queries the response was YES. [2024-10-24 15:26:46,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38446 conditions, 14527 events. 3565/14527 cut-off events. For 19022/21252 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 153782 event pairs, 128 based on Foata normal form. 228/14121 useless extension candidates. Maximal degree in co-relation 38369. Up to 3015 conditions per place. [2024-10-24 15:26:46,713 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 80 selfloop transitions, 27 changer transitions 0/500 dead transitions. [2024-10-24 15:26:46,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 500 transitions, 3230 flow [2024-10-24 15:26:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:26:46,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:26:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1502 transitions. [2024-10-24 15:26:46,717 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8983253588516746 [2024-10-24 15:26:46,717 INFO L175 Difference]: Start difference. First operand has 246 places, 447 transitions, 2619 flow. Second operand 8 states and 1502 transitions. [2024-10-24 15:26:46,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 500 transitions, 3230 flow [2024-10-24 15:26:46,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 500 transitions, 3180 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-10-24 15:26:46,790 INFO L231 Difference]: Finished difference. Result has 254 places, 460 transitions, 2791 flow [2024-10-24 15:26:46,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2597, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2791, PETRI_PLACES=254, PETRI_TRANSITIONS=460} [2024-10-24 15:26:46,792 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 54 predicate places. [2024-10-24 15:26:46,792 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 460 transitions, 2791 flow [2024-10-24 15:26:46,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:46,793 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:46,793 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:46,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:26:46,793 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:46,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:46,794 INFO L85 PathProgramCache]: Analyzing trace with hash 618469067, now seen corresponding path program 5 times [2024-10-24 15:26:46,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:46,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628996931] [2024-10-24 15:26:46,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:46,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:47,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:47,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628996931] [2024-10-24 15:26:47,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628996931] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:47,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:47,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:26:47,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352899832] [2024-10-24 15:26:47,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:47,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:26:47,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:47,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:26:47,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:26:47,804 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:26:47,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 460 transitions, 2791 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:47,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:47,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:26:47,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:49,988 INFO L124 PetriNetUnfolderBase]: 4324/17689 cut-off events. [2024-10-24 15:26:49,989 INFO L125 PetriNetUnfolderBase]: For 28409/31095 co-relation queries the response was YES. [2024-10-24 15:26:50,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48631 conditions, 17689 events. 4324/17689 cut-off events. For 28409/31095 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 197258 event pairs, 176 based on Foata normal form. 257/17182 useless extension candidates. Maximal degree in co-relation 48550. Up to 3697 conditions per place. [2024-10-24 15:26:50,144 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 91 selfloop transitions, 28 changer transitions 0/512 dead transitions. [2024-10-24 15:26:50,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 512 transitions, 3466 flow [2024-10-24 15:26:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:26:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:26:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1507 transitions. [2024-10-24 15:26:50,148 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9013157894736842 [2024-10-24 15:26:50,148 INFO L175 Difference]: Start difference. First operand has 254 places, 460 transitions, 2791 flow. Second operand 8 states and 1507 transitions. [2024-10-24 15:26:50,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 512 transitions, 3466 flow [2024-10-24 15:26:50,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 512 transitions, 3403 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-10-24 15:26:50,257 INFO L231 Difference]: Finished difference. Result has 263 places, 478 transitions, 3038 flow [2024-10-24 15:26:50,257 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2754, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3038, PETRI_PLACES=263, PETRI_TRANSITIONS=478} [2024-10-24 15:26:50,258 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 63 predicate places. [2024-10-24 15:26:50,258 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 478 transitions, 3038 flow [2024-10-24 15:26:50,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:50,259 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:50,259 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:50,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:26:50,259 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:50,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:50,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1741101501, now seen corresponding path program 6 times [2024-10-24 15:26:50,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:50,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336317853] [2024-10-24 15:26:50,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:50,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:50,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:50,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336317853] [2024-10-24 15:26:50,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336317853] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:50,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:50,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:26:50,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360673960] [2024-10-24 15:26:50,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:50,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:26:50,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:50,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:26:50,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:26:51,170 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:26:51,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 478 transitions, 3038 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:51,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:51,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:26:51,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:53,437 INFO L124 PetriNetUnfolderBase]: 4321/17877 cut-off events. [2024-10-24 15:26:53,437 INFO L125 PetriNetUnfolderBase]: For 32060/34809 co-relation queries the response was YES. [2024-10-24 15:26:53,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49207 conditions, 17877 events. 4321/17877 cut-off events. For 32060/34809 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 200195 event pairs, 177 based on Foata normal form. 360/17460 useless extension candidates. Maximal degree in co-relation 49121. Up to 3797 conditions per place. [2024-10-24 15:26:53,566 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 96 selfloop transitions, 38 changer transitions 0/527 dead transitions. [2024-10-24 15:26:53,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 527 transitions, 3728 flow [2024-10-24 15:26:53,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:26:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:26:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1504 transitions. [2024-10-24 15:26:53,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8995215311004785 [2024-10-24 15:26:53,570 INFO L175 Difference]: Start difference. First operand has 263 places, 478 transitions, 3038 flow. Second operand 8 states and 1504 transitions. [2024-10-24 15:26:53,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 527 transitions, 3728 flow [2024-10-24 15:26:53,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 527 transitions, 3679 flow, removed 24 selfloop flow, removed 1 redundant places. [2024-10-24 15:26:53,672 INFO L231 Difference]: Finished difference. Result has 274 places, 491 transitions, 3279 flow [2024-10-24 15:26:53,673 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2989, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3279, PETRI_PLACES=274, PETRI_TRANSITIONS=491} [2024-10-24 15:26:53,673 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 74 predicate places. [2024-10-24 15:26:53,674 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 491 transitions, 3279 flow [2024-10-24 15:26:53,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:53,674 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:53,674 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:53,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:26:53,675 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:53,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:53,675 INFO L85 PathProgramCache]: Analyzing trace with hash -824567777, now seen corresponding path program 7 times [2024-10-24 15:26:53,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:53,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5082250] [2024-10-24 15:26:53,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:53,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:54,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:54,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5082250] [2024-10-24 15:26:54,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5082250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:54,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:54,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:26:54,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867344605] [2024-10-24 15:26:54,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:54,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:26:54,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:54,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:26:54,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:26:54,476 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:26:54,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 491 transitions, 3279 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:54,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:54,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:26:54,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:56,763 INFO L124 PetriNetUnfolderBase]: 4322/17811 cut-off events. [2024-10-24 15:26:56,763 INFO L125 PetriNetUnfolderBase]: For 36996/39616 co-relation queries the response was YES. [2024-10-24 15:26:56,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50209 conditions, 17811 events. 4322/17811 cut-off events. For 36996/39616 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 198851 event pairs, 176 based on Foata normal form. 324/17371 useless extension candidates. Maximal degree in co-relation 50117. Up to 3722 conditions per place. [2024-10-24 15:26:56,883 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 103 selfloop transitions, 39 changer transitions 0/535 dead transitions. [2024-10-24 15:26:56,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 535 transitions, 3938 flow [2024-10-24 15:26:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:26:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:26:56,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1503 transitions. [2024-10-24 15:26:56,889 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8989234449760766 [2024-10-24 15:26:56,889 INFO L175 Difference]: Start difference. First operand has 274 places, 491 transitions, 3279 flow. Second operand 8 states and 1503 transitions. [2024-10-24 15:26:56,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 535 transitions, 3938 flow [2024-10-24 15:26:56,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 535 transitions, 3869 flow, removed 34 selfloop flow, removed 1 redundant places. [2024-10-24 15:26:56,991 INFO L231 Difference]: Finished difference. Result has 284 places, 501 transitions, 3451 flow [2024-10-24 15:26:56,992 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3210, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3451, PETRI_PLACES=284, PETRI_TRANSITIONS=501} [2024-10-24 15:26:56,992 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 84 predicate places. [2024-10-24 15:26:56,992 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 501 transitions, 3451 flow [2024-10-24 15:26:56,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:56,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:56,993 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:56,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:26:56,993 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:26:56,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:56,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1959137705, now seen corresponding path program 8 times [2024-10-24 15:26:56,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:56,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499830988] [2024-10-24 15:26:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:56,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:57,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:57,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:57,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499830988] [2024-10-24 15:26:57,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499830988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:57,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:57,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:26:57,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696141315] [2024-10-24 15:26:57,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:57,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:26:57,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:57,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:26:57,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:26:58,035 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:26:58,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 501 transitions, 3451 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:58,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:58,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:26:58,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:27:00,603 INFO L124 PetriNetUnfolderBase]: 4367/18224 cut-off events. [2024-10-24 15:27:00,603 INFO L125 PetriNetUnfolderBase]: For 44113/46864 co-relation queries the response was YES. [2024-10-24 15:27:00,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52548 conditions, 18224 events. 4367/18224 cut-off events. For 44113/46864 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 204931 event pairs, 173 based on Foata normal form. 249/17686 useless extension candidates. Maximal degree in co-relation 52451. Up to 3797 conditions per place. [2024-10-24 15:27:00,734 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 105 selfloop transitions, 41 changer transitions 0/539 dead transitions. [2024-10-24 15:27:00,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 539 transitions, 4150 flow [2024-10-24 15:27:00,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:27:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:27:00,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1509 transitions. [2024-10-24 15:27:00,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.902511961722488 [2024-10-24 15:27:00,737 INFO L175 Difference]: Start difference. First operand has 284 places, 501 transitions, 3451 flow. Second operand 8 states and 1509 transitions. [2024-10-24 15:27:00,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 539 transitions, 4150 flow [2024-10-24 15:27:00,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 539 transitions, 4073 flow, removed 24 selfloop flow, removed 3 redundant places. [2024-10-24 15:27:00,865 INFO L231 Difference]: Finished difference. Result has 291 places, 517 transitions, 3742 flow [2024-10-24 15:27:00,866 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3396, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3742, PETRI_PLACES=291, PETRI_TRANSITIONS=517} [2024-10-24 15:27:00,866 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 91 predicate places. [2024-10-24 15:27:00,866 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 517 transitions, 3742 flow [2024-10-24 15:27:00,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:00,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:27:00,867 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:27:00,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:27:00,867 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:27:00,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:27:00,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1081149943, now seen corresponding path program 9 times [2024-10-24 15:27:00,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:27:00,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079948225] [2024-10-24 15:27:00,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:27:00,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:27:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:27:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:27:01,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:27:01,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079948225] [2024-10-24 15:27:01,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079948225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:27:01,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:27:01,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:27:01,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780258041] [2024-10-24 15:27:01,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:27:01,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:27:01,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:27:01,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:27:01,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:27:01,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:27:01,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 517 transitions, 3742 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:01,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:27:01,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:27:01,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:27:04,188 INFO L124 PetriNetUnfolderBase]: 3696/15904 cut-off events. [2024-10-24 15:27:04,188 INFO L125 PetriNetUnfolderBase]: For 40462/42817 co-relation queries the response was YES. [2024-10-24 15:27:04,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45799 conditions, 15904 events. 3696/15904 cut-off events. For 40462/42817 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 173182 event pairs, 141 based on Foata normal form. 214/15416 useless extension candidates. Maximal degree in co-relation 45699. Up to 3293 conditions per place. [2024-10-24 15:27:04,282 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 107 selfloop transitions, 51 changer transitions 0/551 dead transitions. [2024-10-24 15:27:04,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 551 transitions, 4420 flow [2024-10-24 15:27:04,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:27:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:27:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1505 transitions. [2024-10-24 15:27:04,299 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9001196172248804 [2024-10-24 15:27:04,299 INFO L175 Difference]: Start difference. First operand has 291 places, 517 transitions, 3742 flow. Second operand 8 states and 1505 transitions. [2024-10-24 15:27:04,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 551 transitions, 4420 flow [2024-10-24 15:27:04,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 551 transitions, 4341 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-10-24 15:27:04,425 INFO L231 Difference]: Finished difference. Result has 297 places, 530 transitions, 4030 flow [2024-10-24 15:27:04,426 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3626, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4030, PETRI_PLACES=297, PETRI_TRANSITIONS=530} [2024-10-24 15:27:04,428 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 97 predicate places. [2024-10-24 15:27:04,428 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 530 transitions, 4030 flow [2024-10-24 15:27:04,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:04,429 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:27:04,429 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:27:04,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 15:27:04,429 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:27:04,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:27:04,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1378700735, now seen corresponding path program 10 times [2024-10-24 15:27:04,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:27:04,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915989474] [2024-10-24 15:27:04,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:27:04,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:27:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:27:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:27:04,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:27:04,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915989474] [2024-10-24 15:27:04,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915989474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:27:04,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:27:04,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:27:04,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654627067] [2024-10-24 15:27:04,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:27:04,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:27:04,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:27:04,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:27:04,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:27:05,204 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:27:05,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 530 transitions, 4030 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:05,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:27:05,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:27:05,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:27:07,401 INFO L124 PetriNetUnfolderBase]: 3098/13963 cut-off events. [2024-10-24 15:27:07,401 INFO L125 PetriNetUnfolderBase]: For 39408/41721 co-relation queries the response was YES. [2024-10-24 15:27:07,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40461 conditions, 13963 events. 3098/13963 cut-off events. For 39408/41721 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 148142 event pairs, 118 based on Foata normal form. 270/13623 useless extension candidates. Maximal degree in co-relation 40358. Up to 2853 conditions per place. [2024-10-24 15:27:07,717 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 118 selfloop transitions, 59 changer transitions 0/570 dead transitions. [2024-10-24 15:27:07,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 570 transitions, 4810 flow [2024-10-24 15:27:07,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:27:07,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:27:07,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1501 transitions. [2024-10-24 15:27:07,723 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8977272727272727 [2024-10-24 15:27:07,723 INFO L175 Difference]: Start difference. First operand has 297 places, 530 transitions, 4030 flow. Second operand 8 states and 1501 transitions. [2024-10-24 15:27:07,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 570 transitions, 4810 flow [2024-10-24 15:27:07,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 570 transitions, 4687 flow, removed 29 selfloop flow, removed 4 redundant places. [2024-10-24 15:27:07,841 INFO L231 Difference]: Finished difference. Result has 303 places, 543 transitions, 4280 flow [2024-10-24 15:27:07,841 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3872, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4280, PETRI_PLACES=303, PETRI_TRANSITIONS=543} [2024-10-24 15:27:07,842 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 103 predicate places. [2024-10-24 15:27:07,842 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 543 transitions, 4280 flow [2024-10-24 15:27:07,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:07,843 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:27:07,843 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:27:07,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 15:27:07,843 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:27:07,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:27:07,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1214011035, now seen corresponding path program 11 times [2024-10-24 15:27:07,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:27:07,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231180761] [2024-10-24 15:27:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:27:07,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:27:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:27:08,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:27:08,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:27:08,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231180761] [2024-10-24 15:27:08,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231180761] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:27:08,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:27:08,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:27:08,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358797836] [2024-10-24 15:27:08,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:27:08,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:27:08,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:27:08,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:27:08,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:27:08,600 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:27:08,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 543 transitions, 4280 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:08,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:27:08,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:27:08,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:27:10,524 INFO L124 PetriNetUnfolderBase]: 3122/14118 cut-off events. [2024-10-24 15:27:10,524 INFO L125 PetriNetUnfolderBase]: For 46831/49233 co-relation queries the response was YES. [2024-10-24 15:27:10,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41579 conditions, 14118 events. 3122/14118 cut-off events. For 46831/49233 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 150102 event pairs, 111 based on Foata normal form. 253/13760 useless extension candidates. Maximal degree in co-relation 41473. Up to 2828 conditions per place. [2024-10-24 15:27:10,627 INFO L140 encePairwiseOnDemand]: 196/209 looper letters, 148 selfloop transitions, 34 changer transitions 0/575 dead transitions. [2024-10-24 15:27:10,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 575 transitions, 4949 flow [2024-10-24 15:27:10,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:27:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:27:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1507 transitions. [2024-10-24 15:27:10,629 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9013157894736842 [2024-10-24 15:27:10,629 INFO L175 Difference]: Start difference. First operand has 303 places, 543 transitions, 4280 flow. Second operand 8 states and 1507 transitions. [2024-10-24 15:27:10,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 575 transitions, 4949 flow [2024-10-24 15:27:10,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 575 transitions, 4857 flow, removed 23 selfloop flow, removed 3 redundant places. [2024-10-24 15:27:10,772 INFO L231 Difference]: Finished difference. Result has 311 places, 553 transitions, 4440 flow [2024-10-24 15:27:10,773 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=4196, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=512, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4440, PETRI_PLACES=311, PETRI_TRANSITIONS=553} [2024-10-24 15:27:10,773 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 111 predicate places. [2024-10-24 15:27:10,774 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 553 transitions, 4440 flow [2024-10-24 15:27:10,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:10,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:27:10,774 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:27:10,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 15:27:10,775 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:27:10,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:27:10,775 INFO L85 PathProgramCache]: Analyzing trace with hash 662606125, now seen corresponding path program 12 times [2024-10-24 15:27:10,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:27:10,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744483363] [2024-10-24 15:27:10,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:27:10,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:27:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:27:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:27:11,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:27:11,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744483363] [2024-10-24 15:27:11,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744483363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:27:11,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:27:11,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:27:11,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452548971] [2024-10-24 15:27:11,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:27:11,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:27:11,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:27:11,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:27:11,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:27:11,849 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:27:11,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 553 transitions, 4440 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:11,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:27:11,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:27:11,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:27:14,250 INFO L124 PetriNetUnfolderBase]: 3152/14485 cut-off events. [2024-10-24 15:27:14,250 INFO L125 PetriNetUnfolderBase]: For 45727/48139 co-relation queries the response was YES. [2024-10-24 15:27:14,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42603 conditions, 14485 events. 3152/14485 cut-off events. For 45727/48139 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 155457 event pairs, 117 based on Foata normal form. 222/14076 useless extension candidates. Maximal degree in co-relation 42493. Up to 2903 conditions per place. [2024-10-24 15:27:14,362 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 151 selfloop transitions, 45 changer transitions 0/589 dead transitions. [2024-10-24 15:27:14,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 589 transitions, 5228 flow [2024-10-24 15:27:14,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:27:14,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:27:14,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1506 transitions. [2024-10-24 15:27:14,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9007177033492823 [2024-10-24 15:27:14,364 INFO L175 Difference]: Start difference. First operand has 311 places, 553 transitions, 4440 flow. Second operand 8 states and 1506 transitions. [2024-10-24 15:27:14,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 589 transitions, 5228 flow [2024-10-24 15:27:14,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 589 transitions, 5099 flow, removed 48 selfloop flow, removed 3 redundant places. [2024-10-24 15:27:14,506 INFO L231 Difference]: Finished difference. Result has 318 places, 569 transitions, 4711 flow [2024-10-24 15:27:14,507 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=4355, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4711, PETRI_PLACES=318, PETRI_TRANSITIONS=569} [2024-10-24 15:27:14,507 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 118 predicate places. [2024-10-24 15:27:14,508 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 569 transitions, 4711 flow [2024-10-24 15:27:14,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:14,508 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:27:14,508 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:27:14,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 15:27:14,509 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:27:14,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:27:14,509 INFO L85 PathProgramCache]: Analyzing trace with hash 438507949, now seen corresponding path program 13 times [2024-10-24 15:27:14,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:27:14,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859913231] [2024-10-24 15:27:14,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:27:14,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:27:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:27:14,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:27:14,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:27:14,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859913231] [2024-10-24 15:27:14,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859913231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:27:14,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:27:14,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:27:14,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886890695] [2024-10-24 15:27:14,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:27:14,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:27:14,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:27:14,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:27:14,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:27:15,209 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:27:15,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 569 transitions, 4711 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:15,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:27:15,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:27:15,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:27:17,301 INFO L124 PetriNetUnfolderBase]: 2496/12225 cut-off events. [2024-10-24 15:27:17,301 INFO L125 PetriNetUnfolderBase]: For 38774/40812 co-relation queries the response was YES. [2024-10-24 15:27:17,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35627 conditions, 12225 events. 2496/12225 cut-off events. For 38774/40812 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 127548 event pairs, 96 based on Foata normal form. 171/11847 useless extension candidates. Maximal degree in co-relation 35514. Up to 2422 conditions per place. [2024-10-24 15:27:17,421 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 147 selfloop transitions, 51 changer transitions 0/591 dead transitions. [2024-10-24 15:27:17,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 591 transitions, 5355 flow [2024-10-24 15:27:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:27:17,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:27:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1509 transitions. [2024-10-24 15:27:17,424 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.902511961722488 [2024-10-24 15:27:17,425 INFO L175 Difference]: Start difference. First operand has 318 places, 569 transitions, 4711 flow. Second operand 8 states and 1509 transitions. [2024-10-24 15:27:17,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 591 transitions, 5355 flow [2024-10-24 15:27:17,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 591 transitions, 5282 flow, removed 8 selfloop flow, removed 4 redundant places. [2024-10-24 15:27:17,567 INFO L231 Difference]: Finished difference. Result has 324 places, 582 transitions, 5012 flow [2024-10-24 15:27:17,568 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=4599, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5012, PETRI_PLACES=324, PETRI_TRANSITIONS=582} [2024-10-24 15:27:17,568 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 124 predicate places. [2024-10-24 15:27:17,568 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 582 transitions, 5012 flow [2024-10-24 15:27:17,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:17,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:27:17,569 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:27:17,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 15:27:17,570 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:27:17,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:27:17,570 INFO L85 PathProgramCache]: Analyzing trace with hash -87831373, now seen corresponding path program 14 times [2024-10-24 15:27:17,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:27:17,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021274289] [2024-10-24 15:27:17,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:27:17,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:27:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:27:18,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:27:18,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:27:18,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021274289] [2024-10-24 15:27:18,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021274289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:27:18,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:27:18,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 15:27:18,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148868513] [2024-10-24 15:27:18,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:27:18,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:27:18,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:27:18,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:27:18,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 15:27:18,470 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 209 [2024-10-24 15:27:18,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 582 transitions, 5012 flow. Second operand has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:18,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:27:18,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 209 [2024-10-24 15:27:18,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:27:19,016 INFO L124 PetriNetUnfolderBase]: 355/3866 cut-off events. [2024-10-24 15:27:19,017 INFO L125 PetriNetUnfolderBase]: For 13649/13827 co-relation queries the response was YES. [2024-10-24 15:27:19,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10724 conditions, 3866 events. 355/3866 cut-off events. For 13649/13827 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 35999 event pairs, 14 based on Foata normal form. 62/3753 useless extension candidates. Maximal degree in co-relation 10608. Up to 738 conditions per place. [2024-10-24 15:27:19,050 INFO L140 encePairwiseOnDemand]: 195/209 looper letters, 111 selfloop transitions, 88 changer transitions 0/373 dead transitions. [2024-10-24 15:27:19,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 373 transitions, 3878 flow [2024-10-24 15:27:19,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:27:19,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:27:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1500 transitions. [2024-10-24 15:27:19,051 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8971291866028708 [2024-10-24 15:27:19,052 INFO L175 Difference]: Start difference. First operand has 324 places, 582 transitions, 5012 flow. Second operand 8 states and 1500 transitions. [2024-10-24 15:27:19,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 373 transitions, 3878 flow [2024-10-24 15:27:19,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 373 transitions, 3435 flow, removed 96 selfloop flow, removed 18 redundant places. [2024-10-24 15:27:19,096 INFO L231 Difference]: Finished difference. Result has 308 places, 370 transitions, 3264 flow [2024-10-24 15:27:19,097 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=2840, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3264, PETRI_PLACES=308, PETRI_TRANSITIONS=370} [2024-10-24 15:27:19,097 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 108 predicate places. [2024-10-24 15:27:19,097 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 370 transitions, 3264 flow [2024-10-24 15:27:19,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:19,098 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:27:19,098 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:27:19,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 15:27:19,098 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:27:19,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:27:19,098 INFO L85 PathProgramCache]: Analyzing trace with hash 262692781, now seen corresponding path program 1 times [2024-10-24 15:27:19,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:27:19,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540012314] [2024-10-24 15:27:19,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:27:19,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:27:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:27:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:27:19,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:27:19,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540012314] [2024-10-24 15:27:19,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540012314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:27:19,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:27:19,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 15:27:19,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804119723] [2024-10-24 15:27:19,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:27:19,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 15:27:19,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:27:19,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 15:27:19,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 15:27:19,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 209 [2024-10-24 15:27:19,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 370 transitions, 3264 flow. Second operand has 9 states, 9 states have (on average 176.0) internal successors, (1584), 9 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:19,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:27:19,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 209 [2024-10-24 15:27:19,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:27:20,339 INFO L124 PetriNetUnfolderBase]: 417/4637 cut-off events. [2024-10-24 15:27:20,339 INFO L125 PetriNetUnfolderBase]: For 14390/14537 co-relation queries the response was YES. [2024-10-24 15:27:20,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10641 conditions, 4637 events. 417/4637 cut-off events. For 14390/14537 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 41255 event pairs, 11 based on Foata normal form. 113/4568 useless extension candidates. Maximal degree in co-relation 10522. Up to 567 conditions per place. [2024-10-24 15:27:20,373 INFO L140 encePairwiseOnDemand]: 198/209 looper letters, 167 selfloop transitions, 24 changer transitions 0/425 dead transitions. [2024-10-24 15:27:20,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 425 transitions, 4352 flow [2024-10-24 15:27:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:27:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:27:20,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1433 transitions. [2024-10-24 15:27:20,377 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8570574162679426 [2024-10-24 15:27:20,378 INFO L175 Difference]: Start difference. First operand has 308 places, 370 transitions, 3264 flow. Second operand 8 states and 1433 transitions. [2024-10-24 15:27:20,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 425 transitions, 4352 flow [2024-10-24 15:27:20,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 425 transitions, 4189 flow, removed 27 selfloop flow, removed 5 redundant places. [2024-10-24 15:27:20,422 INFO L231 Difference]: Finished difference. Result has 314 places, 389 transitions, 3497 flow [2024-10-24 15:27:20,423 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3121, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3497, PETRI_PLACES=314, PETRI_TRANSITIONS=389} [2024-10-24 15:27:20,423 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 114 predicate places. [2024-10-24 15:27:20,424 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 389 transitions, 3497 flow [2024-10-24 15:27:20,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 176.0) internal successors, (1584), 9 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:20,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:27:20,424 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:27:20,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 15:27:20,425 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-24 15:27:20,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:27:20,425 INFO L85 PathProgramCache]: Analyzing trace with hash 796513834, now seen corresponding path program 1 times [2024-10-24 15:27:20,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:27:20,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205150830] [2024-10-24 15:27:20,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:27:20,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:27:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:27:20,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:27:20,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:27:20,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205150830] [2024-10-24 15:27:20,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205150830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:27:20,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:27:20,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:27:20,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618255120] [2024-10-24 15:27:20,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:27:20,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:27:20,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:27:20,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:27:20,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:27:20,838 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 209 [2024-10-24 15:27:20,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 389 transitions, 3497 flow. Second operand has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:20,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:27:20,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 209 [2024-10-24 15:27:20,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:27:21,644 INFO L124 PetriNetUnfolderBase]: 705/5112 cut-off events. [2024-10-24 15:27:21,644 INFO L125 PetriNetUnfolderBase]: For 23436/24023 co-relation queries the response was YES. [2024-10-24 15:27:21,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14681 conditions, 5112 events. 705/5112 cut-off events. For 23436/24023 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 44608 event pairs, 157 based on Foata normal form. 550/5495 useless extension candidates. Maximal degree in co-relation 14557. Up to 2314 conditions per place. [2024-10-24 15:27:21,676 INFO L140 encePairwiseOnDemand]: 203/209 looper letters, 0 selfloop transitions, 0 changer transitions 388/388 dead transitions. [2024-10-24 15:27:21,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 388 transitions, 3843 flow [2024-10-24 15:27:21,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:27:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:27:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 904 transitions. [2024-10-24 15:27:21,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7208931419457735 [2024-10-24 15:27:21,678 INFO L175 Difference]: Start difference. First operand has 314 places, 389 transitions, 3497 flow. Second operand 6 states and 904 transitions. [2024-10-24 15:27:21,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 388 transitions, 3843 flow [2024-10-24 15:27:21,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 388 transitions, 3837 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:27:21,721 INFO L231 Difference]: Finished difference. Result has 316 places, 0 transitions, 0 flow [2024-10-24 15:27:21,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3489, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=316, PETRI_TRANSITIONS=0} [2024-10-24 15:27:21,722 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, 116 predicate places. [2024-10-24 15:27:21,722 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 0 transitions, 0 flow [2024-10-24 15:27:21,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:27:21,725 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2024-10-24 15:27:21,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2024-10-24 15:27:21,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2024-10-24 15:27:21,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2024-10-24 15:27:21,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2024-10-24 15:27:21,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2024-10-24 15:27:21,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2024-10-24 15:27:21,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2024-10-24 15:27:21,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2024-10-24 15:27:21,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2024-10-24 15:27:21,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2024-10-24 15:27:21,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2024-10-24 15:27:21,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2024-10-24 15:27:21,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2024-10-24 15:27:21,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2024-10-24 15:27:21,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2024-10-24 15:27:21,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2024-10-24 15:27:21,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 15:27:21,729 INFO L407 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1, 1, 1, 1] [2024-10-24 15:27:21,736 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:27:21,736 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:27:21,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:27:21 BasicIcfg [2024-10-24 15:27:21,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:27:21,741 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:27:21,741 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:27:21,741 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:27:21,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:26:32" (3/4) ... [2024-10-24 15:27:21,742 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:27:21,745 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2024-10-24 15:27:21,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-24 15:27:21,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:27:21,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:27:21,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:27:21,832 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:27:21,832 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:27:21,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:27:21,833 INFO L158 Benchmark]: Toolchain (without parser) took 50708.60ms. Allocated memory was 167.8MB in the beginning and 12.7GB in the end (delta: 12.6GB). Free memory was 93.0MB in the beginning and 9.7GB in the end (delta: -9.7GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2024-10-24 15:27:21,833 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 119.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:27:21,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.46ms. Allocated memory was 167.8MB in the beginning and 272.6MB in the end (delta: 104.9MB). Free memory was 92.8MB in the beginning and 230.0MB in the end (delta: -137.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-10-24 15:27:21,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.30ms. Allocated memory is still 272.6MB. Free memory was 230.0MB in the beginning and 226.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:27:21,834 INFO L158 Benchmark]: Boogie Preprocessor took 27.19ms. Allocated memory is still 272.6MB. Free memory was 226.8MB in the beginning and 223.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:27:21,834 INFO L158 Benchmark]: RCFGBuilder took 484.55ms. Allocated memory is still 272.6MB. Free memory was 223.7MB in the beginning and 198.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-24 15:27:21,835 INFO L158 Benchmark]: TraceAbstraction took 49616.04ms. Allocated memory was 272.6MB in the beginning and 12.7GB in the end (delta: 12.5GB). Free memory was 197.5MB in the beginning and 9.8GB in the end (delta: -9.6GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2024-10-24 15:27:21,835 INFO L158 Benchmark]: Witness Printer took 91.97ms. Allocated memory is still 12.7GB. Free memory was 9.8GB in the beginning and 9.7GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:27:21,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 119.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.46ms. Allocated memory was 167.8MB in the beginning and 272.6MB in the end (delta: 104.9MB). Free memory was 92.8MB in the beginning and 230.0MB in the end (delta: -137.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.30ms. Allocated memory is still 272.6MB. Free memory was 230.0MB in the beginning and 226.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.19ms. Allocated memory is still 272.6MB. Free memory was 226.8MB in the beginning and 223.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.55ms. Allocated memory is still 272.6MB. Free memory was 223.7MB in the beginning and 198.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 49616.04ms. Allocated memory was 272.6MB in the beginning and 12.7GB in the end (delta: 12.5GB). Free memory was 197.5MB in the beginning and 9.8GB in the end (delta: -9.6GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. * Witness Printer took 91.97ms. Allocated memory is still 12.7GB. Free memory was 9.8GB in the beginning and 9.7GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 299 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 49.5s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 41.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9685 SdHoareTripleChecker+Valid, 9.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7488 mSDsluCounter, 9232 SdHoareTripleChecker+Invalid, 8.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8564 mSDsCounter, 294 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18440 IncrementalHoareTripleChecker+Invalid, 18734 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 294 mSolverCounterUnsat, 668 mSDtfsCounter, 18440 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5012occurred in iteration=17, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 1650 NumberOfCodeBlocks, 1650 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1630 ConstructedInterpolants, 0 QuantifiedInterpolants, 6193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:27:21,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE